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Matches 1 - 50 out of 3,991

Document Document Title
WO/2018/218333A1
An aqueous modified acid composition for industrial activities, said composition comprising: an alkanolamine and strong acid in a molar ratio of not less than 1:15, preferably not less than 1:10; it can also further comprise a metal iodi...  
WO/2018/211794A1
The purpose of the invention is to easily separate a cation exchanger and an anion exchanger and control the installation area. A condensate demineralization device 1 has: an inner cylinder 3 defining an inner-side space 6 filled with a ...  
WO/2018/204069A1
Methods of regenerating a strong base anion resin are described. The method comprises collecting a salt-containing product from a chromatographic system configured to process a biomass derived material. The salt-containing product is pro...  
WO/2018/203548A1
The present invention provides a method for removing divalent metallic cations from a macromolecular compound having an anionic functional group and containing a divalent metallic cation, the method comprising: (1) suspending a macromole...  
WO/2018/171068A1
An ion exchange resin packed-bed countercurrent regeneration device and a use method thereof. The regeneration device comprises a cyclone separator (1), a regeneration reactor (2), a continuous-stirred resin reactor (3), a desorption liq...  
WO/2018/174148A1
Provided is a method for smelting a metal oxide ore for obtaining a metal sulfide, wherein the method makes it possible to efficiently recover a fine metal sulfide included in an overflow solution and reduce the recovery cost of metal co...  
WO/2018/153657A1
A water softening device (100; 200) comprises a filter (101; 201) which is configured to remove hardness from a first stream of raw water to produce a second stream of softened water. The filter (101; 201) comprises an ion exchange (IEX)...  
WO/2018/151261A1
[Problem] To provide a vitamin E production method and a vitamin E production device capable of increasing the purity of vitamin E in a vitamin E concentrate. [Solution] A raw material oil supply part 1 supplies a raw material oil to a s...  
WO/2018/145295A1
Provided is a method of cleaning a collection of resin beads, wherein the method comprises bringing the collection of resin beads into contact with an aqueous solution, wherein the aqueous solution comprises one or more dissolved amine c...  
WO/2018/127679A1
A method of regenerating an ion exchange material for an ion exchange column, the method comprising the steps of: a] preparing a regenerant which comprises a salt solution; b] modifying the regenerant by increasing the pH and/or increasi...  
WO/2018/096272A2
The invention relates to a method for purifying a solution, the method comprising the following successive steps: – bringing a solution to be purified into contact with an ion exchange resin by suspending the ion exchange resin in the ...  
WO/2018/096272A3
The invention relates to a method for purifying a solution, the method comprising the following successive steps: – bringing a solution to be purified into contact with an ion exchange resin by suspending the ion exchange resin in the ...  
WO/2018/088015A1
A method for regenerating a weakly basic anion exchange resin and a strongly basic anion exchange resin by passing a regeneration agent through a multilayer anion exchange column provided with a weakly basic anion exchange resin layer an...  
WO/2018/051664A1
A water quality management system 10 provided with: a regenerating ion exchange device 1; a water quality-measuring device 2 with an ion concentration meter 22; a first discharge pipe 3 through which treated water W1 discharged from the ...  
WO/2018/044702A1
Provided is a method of removing sodium from a collection of sodium-laden resin beads comprising the steps of (a) providing the collection of sodium-laden resin beads, wherein the resin beads comprise one or more vinyl polymers having qu...  
WO/2018/044703A1
Provided is a collection of resin beads, wherein the resin beads comprise one or more vinyl polymers having quaternary ammonium groups; wherein cation exchange resin, if present in the collection of resin beads, is present in an amount o...  
WO/2018/037870A1
According to the present invention, a supply pipe 3 for pretreated water W to be subjected to ion exchange is coupled to the upper part of a regenerative ion exchange column 1, whereas a discharge pipe 4 for ion exchange-treated water W1...  
WO/2018/038683A1
This invention relates to a switchable adsorption and desorption process triggered by carbon dioxide (CO2) to remove contaminants such as heavy metal ions using CO2-responsive adsorbent materials for water purification. The method compri...  
WO/2018/035573A1
The present invention provides a method for desalinating a salt solution, the method comprising the steps of: a) eluting an ion-exchange bed having both cation and anion exchangers with an eluent comprising ammonium bicarbonate to produc...  
WO/2018/029661A1
The present disclosure relates to a process for reducing the amount of carbon disulphide (CS2) in a hydrocarbon feed containing C5-C8 fractions. The hydrocarbon feed is treated with an amine functionalized anion exchange resin (basic ani...  
WO/2017/199996A1
The present invention makes it possible to carry out ion exchange resin regeneration simply at a lower cost even when SO4 2- or CO3 2- are included in water to be treated in a water treatment method using an ion exchange resin and a reve...  
WO/2017/189415A1
Embodiments of the invention provide methods of synthesizing 18F-tetrafluoroborate (18F-TFB) via direct radiofluorination on boron trifluoride (BF3) to enhance both labeling yield and specific activity, Uses of 18F-TFB are also contempla...  
WO/2017/189415A8
Embodiments of the invention provide methods of synthesizing 18F-tetrafluoroborate (18F-TFB) via direct radiofluorination on boron trifluoride (BF3) to enhance both labeling yield and specific activity, Uses of 18F-TFB are also contempla...  
WO/2017/159812A1
This ion exchange device is provided with an anion exchange tank, a cation exchange tank, and a tower body side unit, wherein the anion exchange tank and the cation exchange tank are connected with each other by a connection means extend...  
WO/2017/151935A1
Provided are methods for removing a perfluorinated alkanoic acid from solutions containing the perfluorinated alkanoic acid and a fluorinated alkoxy acid. These methods include contacting the first solution with an anion-exchange resin t...  
WO/2017/132301A1
A source liquid including a solvent with a dissolved impurity flows into a reservoir. The source liquid or a concentration of the source liquid is pumped from the reservoir through a pressure exchanger into an upstream side of a liquid-s...  
WO/2017/117026A1
A control system for a water treatment apparatus that includes a control valve assembly having a servo chamber in which a stationary port defining signal ports is located. A regeneration control disc sealingly engages and rotates on a pl...  
WO/2017/109813A1
Disclosed is a water purification device that can be carried easily to a desired place and with which it is possible to obtain delicious water including mineral components while simplifying the construction of the water purification devi...  
WO/2017/109812A1
Disclosed is a mineral water acquisition device that comprises, in a portable housing: a control unit that receives power fed from a battery; a drive pump that is controlled by the control unit and that employs the battery as a power sup...  
WO/2017/074921A1
A composite extractant-enhanced polymer resin comprising an extractant and a polymer resin for direct extraction of valuable metals such as rare earth metals, and more specifically, scandium, from an acid-leaching slurry and/or acid-leac...  
WO/2017/048746A1
Provided is a method of purifying water comprising (a) providing an aqueous solution (A) that has pH of 5.5 or lower and that comprises (i) one or more dissolved organic compounds in an amount of 5 mg/L or more, measured as dissolved org...  
WO/2017/048749A1
Provided is a method of regenerating an acrylic resin (B2), comprising (A) providing a collection of particles of acrylic resin (B2) that has calculated Hansch parameter of -1.0 to 2.5, wherein one or more humic acid, one or more fulvic ...  
WO/2017/048748A1
Provided is a method of regenerating an acrylic resin (B2), comprising (A) providing a collection of particles of acrylic resin (B2) that has calculated Hansch parameter of -1.0 to 2.5, wherein one or more humic acid, one or more fulvic ...  
WO/2017/026654A1
The present invention provides a semiautomatic hydraulic water softener which is a water softener comprising: an ion resin tank (100) having ion resin; a regenerant container (200) in which a regenerant can be introduced in order to prod...  
WO/2017/015416A1
Deionization equipment and methods of using such deionization equipment are provided. The deionization equipment allows for improved efficiency in removing spent deionization resin from deionization apparatuses, and also recharging funct...  
WO/2016/199268A1
The purpose of the present invention is to recover water by using a device with a simple configuration to efficiently treat wastewater including scale components, organic matter, inorganic ions, and the like, and particularly wastewater ...  
WO/2016/179739A1
Provided is an apparatus for removing impurities from feed water comprising (A) a loading tank comprising a top, a bottom, and an interior, and further comprising (i) an inlet that conveys the feed water to a water distributor, (ii) a gr...  
WO/2016/178218A1
A system for nitrate removal from water combining: an ion exchange unit comprising at least one column of an ion exchange resin, a brine bioregeneration circuit comprising a sequential batch reactor (SBR), and an ozonation unit, is discl...  
WO/2016/166602A1
In an ion-exchange separation system, a single regeneration column provides for separation of anion and cation resins and the regeneration of both cation and anion resins with a very low level of cross-contamination. After regeneration m...  
WO/2016/164798A1
Described herein are processes and apparatus for the high purity and high concentration recovery of multivalent products via continuous ion exchange from aqueous solutions for further down-stream purification.  
WO/2016/139877A1
The water treatment apparatus according to the present disclosure is provided with: an electrochemical cell having an inflow port and an outflow port; a power supply for supplying electric power to electrodes; a first water flow path con...  
WO/2016/078704A1
A process for the recovery of a radioisotope from a waste resin of a nuclear power plant comprises the steps of: a) treating a waste resin loaded with at least one radioisotope with an organic acid or alkaline compound to release the at ...  
WO/2016/076409A1
Provided is a method for operating a regenerative ion exchange device in which raw water is used for cleaning after regeneration of an ion exchange resin, and excellent post-regeneration water quality is obtained. In the ion exchange dev...  
WO/2016/049743A1
A synthetic acid composition for replacing hydrochloric acid in industrial activities requiring large amounts of hydrochloric acid, said composition comprising: urea and hydrogen chloride in a molar ratio of not less than 0.1 : 1; and an...  
WO/2016/049735A1
A synthetic acid composition for replacing hydrochloric acid in industrial activities requiring large amounts of hydrochloric acid, said composition comprising: urea and hydrogen chloride in a molar ratio of not less than 0.1:1; a metal ...  
WO/2016/049738A1
A synthetic acid composition for replacing hydrochloric acid in industrial activities requiring large amounts of hydrochloric acid, said composition comprising: urea and hydrogen chloride in a molar ratio of not less than 0.1 : 1; cinnam...  
WO/2016/049741A1
A synthetic acid composition for replacing hydrochloric acid in industrial activities requiring large amounts of hydrochloric acid, said composition comprising: urea and hydrogen chloride in a molar ratio of not less than 0.1 : 1 and for...  
WO/2016/049737A1
A synthetic acid composition for replacing hydrochloric acid in industrial activities requiring large amounts of hydrochloric acid, said composition comprising: urea and hydrogen chloride in a molar ratio of not less than 0.1 : 1; and an...  
WO/2016/028975A1
Liquid treatment systems (e.g., water treatment systems) with enhanced components and systems are disclosed. For example, the water treatment system may be enhanced by incorporating a location determination component and one or more meas...  
WO/2016/020621A3
The invention relates to a water treatment device (10) comprising, for the one part, a reservoir of ion-exchange resin (12) having a reservoir inlet and a reservoir outlet, and a distribution valve (16) installed on said resin reservoir ...  

Matches 1 - 50 out of 3,991